alleryA மற்றும் B ஒரே சாலையை முறையே 45 மற்றும் 30 நிமிடங்களில் கடக்கின்றனர். அவர்களின் வேகங்களின் விகிதம்
A3 : 2
B4 : 9
C9 : 4
D2 : 3
Answer & Solution
Correct answer: D. 2 : 3
வேகம் நேரத்திற்கு எதிர்விகிதத்தில் மாறும், எனவே A : B = 30 : 45 = 2 : 3.
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